Kennewick is a city located in Benton County in southeastern Washington. It is the most populous of the three cities collectively referred to as the Tri-Cities (the others being Pasco and Richland). Kennewick is located along the southwest bank of the Columbia River, opposite Pasco, Washington, and just south of the confluence of the Columbia and Yakima rivers. As of the 2004 census estimates, the city had a total population of 60,118, making it the largest city in Benton County. Kennewick is also the host city of the Tri-City Americans of the Western Hockey League, as well as of the 2005 National Indoor Football League champions, the Tri-Cities Fever.
Kennewick is located at 46°12'13" North, 119°9'33" West (46.203475, -119.159270).
According to the United States Census Bureau, the city has a total area of 63.0 km2 (24.3 mi2). 59.4 km2 (22.9 mi2) of it is land and 3.6 km2 (1.4 mi2) of it is water. The total area is 5.67% water.
As of the census of 2000, there are 54,693 people, 20,786 households, and 14,176 families residing in the city. The population density is 920.9/km2 (2,384.9/mi2). There are 22,043 housing units at an average density of 371.2/km2 (961.2/mi2). The racial makeup of the city is 82.93% White, 1.14% Black or African American, 0.93% Native American, 2.12% Asian, 0.11% Pacific Islander, 9.40% from other races, and 3.37% from two or more races. 15.55% of the population are Hispanic or Latino of any race.
There are 20,786 households out of which 37.6% have children under the age of 18 living with them, 51.5% are married couples living together, 12.2% have a female householder with no husband present, and 31.8% are non-families. 26.1% of all households are made up of individuals and 8.6% have someone living alone who is 65 years of age or older. The average household size is 2.60 and the average family size is 3.15.
In the city the population is spread out with 29.6% under the age of 18, 10.3% from 18 to 24, 29.3% from 25 to 44, 20.6% from 45 to 64, and 10.2% who are 65 years of age or older. The median age is 32 years. For every 100 females there are 98.3 males. For every 100 females age 18 and over, there are 94.3 males.
The median income for a household in the city is $41,213, and the median income for a family is $50,011. Males have a median income of $41,589 versus $26,022 for females. The per capita income for the city is $20,152. 12.9% of the population and 9.7% of families are below the poverty line. Out of the total population, 18.8% of those under the age of 18 and 8.7% of those 65 and older are living below the poverty line.
Kennewick was officially incorporated on February 5, 1904. Previously, the town was known by many names, the strangest was "Tehe" which was alledgedly attributed to the reaction from a native girl's laughter when asked the name of the region.
The name "Kennewick" is believed to be a native word meaning "grassy place." It has been also called "winter paradise," mostly because of the mild winters in the area.
Kennewick Man is the name for the remains of a prehistoric man found on a bank of the Columbia River nearby, sometimes thought to have Caucasian features, despite being indigenous and living 9000 years ago. Ownership of the bones has been a matter of great controversy.